Used primarily in organic synthesis as a versatile intermediate, particularly in the construction of complex molecules. It is often employed in cross-coupling reactions, such as Stille coupling, to form carbon-carbon bonds, which are crucial in the development of pharmaceuticals and agrochemicals. Its thiazole moiety makes it valuable in the synthesis of biologically active compounds, including potential drug candidates targeting various diseases. Additionally, it serves as a protective group for amines during multi-step synthetic processes, ensuring selective reactivity in complex transformations.